Customer.io vs OptinMonster Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Customer.io | OptinMonster | |
|---|---|---|
| Starts at | $100/mo | $7/mo |
| Number of plans | 3 | 4 |
| Free plan | — | — |
| Free trial | — | |
| Pricing model | usage-based | flat-rate |
Essentials
- 5k profiles (people + objects)
- AI Agent with core execution skills
- 1 million emails per month
- 2 object types
- Visual workflow builder
- LLM actions with 100K credit sample
- Email and community support
- Basic data integrations
Premium
- Custom profile volume & pricing
- Custom email volume & pricing
- 10 object types
- Elevated Agent limits + custom skills
- Daily Routines (scheduled tasks)
- Premium chat & email support
- 90-day onboarding support
- HIPAA Compliance*
- Premium data integrations
Enterprise
- Our best pricing on profile & email volume
- Custom Agent limits + execution skills
- Priority technical support
- Migration support*
- Dedicated Customer Success Manager*
- Dedicated hardware
- Audit logging & data governance
- Dedicated Technical Implementation Specialist*
- Shared Slack channel*
Basic
- All Campaign Types
- 700+ Easy To Personalize Templates
- Page Targeting
- Time on Site and Page Triggers
- Scroll/Interest Triggers
- Optin and Success Views
- MonsterLeads™
- Real Human Support
- Basic Marketing Integrations
- Unlimited Campaigns and Subscribers
Plus
- A/B Testing
- Device Targeting
- Content Locking
- MonsterEffects™ & MonsterSounds™
- Yes/No Forms and Multiple Views
- Full Analytics Reporting
- Advanced Integrations
Pro
Popular- Exit Intent® Technology
- Revenue Attribution
- Countdown Timers
- Smart Tags™
- Click to Load Campaigns
- Referrer Targeting
- Cookie, JS, and Query Targeting
- Campaign Scheduling
- Webhooks
- Zapier and Uncanny Automator Integrations
- Google Analytics
- Remove OptinMonster Badge
- Pro Integrations
- 2 Sub-Accounts
Growth
- Geolocation Targeting
- New vs. Returning Visitor
- OnSite Retargeting®
- Follow-up Campaigns®
- Integrations with Shopify, WooCommerce, Magento, Easy Digital Downloads, MemberPress and more!
- Coupon Wheel Campaigns
- Success Scripts
- Custom Branding
- Custom JavaScript
- eCommerce Integrations
- Unlimited Sub-Accounts
Customer.io vs OptinMonster FAQ
- Which one is cheaper?
- OptinMonster is the cheaper option, starting at $7/mo vs $100/mo for Customer.io.
- Can I use either one for free?
- Neither has a free plan. But OptinMonster offers a free trial.
- How do they charge?
- Different approach here. Customer.io uses usage-based pricing, while OptinMonster goes with flat-rate. That changes the math depending on your team size and usage.
- Which one is a better deal?
- Depends on what you need. Customer.io: They're positioned mid-to-upper market for marketing automation — not trying to compete with Mailchimp on price, but undercutting Braze or Iterable on entry cost while targeting the same product-led growth companies. The $100 floor is accessible, but the annual Premium commitment signals they're really after funded startups and scaling SaaS teams. OptinMonster: Those introductory prices look scrappy-cheap, but renewal rates ($210–$1,470/yr) put them squarely mid-market — not a budget tool, not enterprise. They're competing hard against Privy and Sleeknote, targeting SMB marketers who want power without a developer.
Keep tabs on both.
We'll monitor pricing changes for Customer.io and OptinMonster and let you know when something moves.